The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 29, 2003
Filed:
Sep. 15, 1999
Applicant:
Inventor:
Thomas Noll, Kipfenberg, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01K 1/02 ;
U.S. Cl.
CPC ...
H01K 1/02 ;
Abstract
The invention relates to an electric incandescent lamp having a lamp vessel ( ), at least one filament ( ) which is arranged in the lamp vessel ( ) and comprises at least a filament element ( ) for generating radiation in the infrared region and in the visible region, and at least one filter ( ), which is applied at least partially to the light vessel ( ), reflects radiation in the infrared region and is transparent in the visible region, at least for selected wavelengths of radiation, at least one filament element ( ) being of flat, in particular strip-shaped construction. It also relates to a method for producing such an electric incandescent lamp. FIG.